This patch adds commands to open, close and create partitions on eMMC
Signed-off-by: Amar <amarendra...@samsung.com>
---
common/cmd_mmc.c | 101 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 100 insertions(+), 1 deletions(-)
diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c
index 62a1c22..1fd6b94 100644
--- a/common/cmd_mmc.c
+++ b/common/cmd_mmc.c
@@ -248,6 +248,102 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int
argc, char * const argv[])
curr_device, mmc->part_num);
return 0;
+ } else if (strcmp(argv[1], "open") == 0) {
+ int dev;
+ struct mmc *mmc;
+
+ if (argc == 2)
+ dev = curr_device;
+ else if (argc == 3)
+ dev = simple_strtoul(argv[2], NULL, 10);
+ else if (argc == 4)
+ return 1;
+
+ else
+ return CMD_RET_USAGE;
+
+ mmc = find_mmc_device(dev);
+ if (!mmc) {
+ printf("no mmc device at slot %x\n", dev);
+ return 1;
+ }
+
+ if (IS_SD(mmc)) {
+ printf("SD device cannot be opened/closed\n");
+ return 1;
+ }
+
+ if (!(mmc_boot_open(mmc))) {
+ printf("eMMC OPEN Success.!!\n");
+ printf("\t\t\t!!!Notice!!!\n");
+ printf("!You must close eMMC boot Partition"
+ "after all image writing!\n");
+ printf("!eMMC boot partition has continuity"
+ "at image writing time.!\n");
+ printf("!So, Do not close boot partition, Before,"
+ "all images is written.!\n");
+ } else {
+ printf("eMMC OPEN Failed.!!\n");
+ }
+ return 0;
+
+ } else if (strcmp(argv[1], "close") == 0) {
+ int dev;
+ struct mmc *mmc;
+
+ if (argc == 2)
+ dev = curr_device;
+ else if (argc == 3)
+ dev = simple_strtoul(argv[2], NULL, 10);
+ else if (argc == 4)
+ return 1;
+ else
+ return CMD_RET_USAGE;
+
+ mmc = find_mmc_device(dev);
+ if (!mmc) {
+ printf("no mmc device at slot %x\n", dev);
+ return 1;
+ }
+
+ if (IS_SD(mmc)) {
+ printf("SD device cannot be opened/closed\n");
+ return 1;
+ }
+
+ if (!(mmc_boot_close(mmc)))
+ printf("eMMC CLOSE Success.!!\n");
+ else
+ printf("eMMC CLOSE Failed.!!\n");
+
+ return 0;
+
+ } else if (strcmp(argv[1], "bootpart") == 0) {
+ int dev;
+ dev = simple_strtoul(argv[2], NULL, 10);
+
+ struct mmc *mmc = find_mmc_device(dev);
+ u32 bootsize = simple_strtoul(argv[3], NULL, 10);
+ u32 rpmbsize = simple_strtoul(argv[4], NULL, 10);
+
+ if (!mmc) {
+ printf("no mmc device at slot %x\n", dev);
+ return 1;
+ }
+
+ if (IS_SD(mmc)) {
+ printf("It is not a eMMC device\n");
+ return 1;
+ }
+
+ if (0 == mmc_boot_partition_size_change(mmc,
+ bootsize, rpmbsize)) {
+ printf("eMMC boot partition Size %d MB!!\n", bootsize);
+ printf("eMMC RPMB partition Size %d MB!!\n", rpmbsize);
+ } else {
+ printf("eMMC boot partition Size change Failed.!!\n");
+ }
+ return 0;
}
if (strcmp(argv[1], "read") == 0)
@@ -318,5 +414,8 @@ U_BOOT_CMD(
"mmc rescan\n"
"mmc part - lists available partition on current mmc device\n"
"mmc dev [dev] [part] - show or set current mmc device [partition]\n"
- "mmc list - lists available devices");
+ "mmc list - lists available devices\n"
+ "mmc open <device num> - opens the specified device\n"
+ "mmc close <device num> - closes the specified device\n"
+ "mmc bootpart <device num> <boot part size MB> <RPMB part size MB>\n");
#endif
--
1.7.0.4
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